10pcs US Mouth Bicycle Pump Extension Rubber Hose, Color: Black 10cm

1. Material: rubber/nylon/copper
2. Application: bicycle tires
3. The rubber hose is flexible and can be extended for easy and quick inflation.
4. Copper valve, wear-resistant and rust-resistant.
5. Valve cap, dustproof and waterproof protection.
6. Adjustable valve for easy installation.